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Siemens Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series - Contact Blocks
SiemensContact Blocks

Siemens Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series

The SIEMENS Contact Block is a 22 mm panel mounting size contact block from the 3SU1 series, featuring a momentary switch action and screw terminals. This 1NC (normally closed) component is designed for use with…

SKU 3G-OTH-32420

Brand
Siemens
Item
Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series
Category
Contact Blocks
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Technical Specifications

Siemens
Manufacturer Part Number
3SU1400-1AA10-1CA0
Series
3SU1
Type
1NC, Momentary, Screw Terminals
Switch Action
Momentary
Compatible with Series
3SU1
Terminal Connection Type
Screw Terminals
View Full Spec Sheet

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Contact Block is a 22 mm panel mounting size contact block from the 3SU1 series, featuring a momentary switch action and screw terminals. This 1NC (normally closed) component is designed for use with compatible 3SU1 series devices, with the manufacturer part number 3SU1400-1AA10-1CA0.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens contact blocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SIEMENS Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series, Spring Terminals (MPN 3SU14001AA103HA0). Key specifications — Switch Action: Momentary; Terminal Connection Type: Spring Terminals; Brand: SIEMENS; Compatible with Series: 3SU1.
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SIEMENS Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series, Screw Terminals (MPN 3SU1400-1AA10-1HA0). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Compatible with Series: 3SU1.
SIEMENS Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series, Spring Terminals (MPN 3SU14002AA103CA0). Key specifications — Color: Black/Red; Switch Action: Momentary; Terminal Connection Type: Spring Terminals; Brand: SIEMENS; Compatible with Series: 3SU1.
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SIEMENS Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series, Spring Terminals (MPN 3SU14002AA103CA0). Key specifications — Color: Black/Red; Switch Action: Momentary; Terminal Connection Type: Spring Terminals; Brand: SIEMENS; Compatible with Series: 3SU1.
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SIEMENS Contact Block: 30 mm Panel Mounting Size, 1NC, Momentary/Late Break, Universal Series (MPN 52BAU). Key specifications — Switch Action: Momentary/Late Break; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Compatible with Series: Universal.
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SIEMENS Contact Block: 30 mm Panel Mounting Size, 1NO, Momentary, Universal Series, Screw Terminals (MPN 52BAK). Key specifications — Switch Action: Momentary; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Compatible with Series: Universal.
SIEMENS Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series, Screw Terminals (MPN 3SU14002AA101CA0). Key specifications — Color: Black/Red; Switch Action: Momentary; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Compatible with Series: 3SU1.
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SIEMENS Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series, Screw Terminals (MPN 3SU14002AA101CA0). Key specifications — Color: Black/Red; Switch Action: Momentary; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Compatible with Series: 3SU1.
SIEMENS Contact Block: 22 mm Panel Mounting Size, 1NO, Momentary, 3SU1 Series, Spring Terminals (MPN 3SU14002AA103BA0). Key specifications — Color: Black/Green; Switch Action: Momentary; Terminal Connection Type: Spring Terminals; Brand: SIEMENS; Compatible with Series: 3SU1.
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SIEMENS Contact Block: 22 mm Panel Mounting Size, 1NO, Momentary, 3SU1 Series, Spring Terminals (MPN 3SU14002AA103BA0). Key specifications — Color: Black/Green; Switch Action: Momentary; Terminal Connection Type: Spring Terminals; Brand: SIEMENS; Compatible with Series: 3SU1.